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# Test case for `icebox_hlc2asc': Does net name translation work correctly?
# Copyright (C) 2017 Roland Lutz
#
# This program is free software: you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation, either version 3 of
# the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
import sys
import icebox
from icebox_asc2hlc import translate_netname
from icebox_hlc2asc import untranslate_netname
def test_netname_translation(ic):
sys.stderr.write("testing backward netname translation "
"for the `%s' device...\n" % ic.device)
all_tiles = set()
for x in range(ic.max_x + 1):
for y in range(ic.max_y + 1):
if ic.tile(x, y) is not None:
all_tiles.add((x, y))
netnames = set()
failed = False
for group in ic.group_segments(all_tiles, connect_gb = False):
is_span = set(net.startswith('sp') for x, y, net in group)
assert len(is_span) == 1
if True not in is_span:
# only span nets are interesting here
continue
netname = translate_netname(group[0][0], group[0][1],
ic.max_x - 1, ic.max_y - 1, group[0][2])
if netname in netnames:
failed = True
print("duplicate netname: %s" % netname)
netnames.add(netname)
for x, y, net in group:
s = untranslate_netname(x, y, ic.max_x - 1, ic.max_y - 1, netname)
if s != net:
failed = True
print("%-20s %s -> %s" % ("%d %d %s" % (x, y, net), netname, s))
if failed:
sys.stderr.write("ERROR\n")
sys.exit(1)
def main():
ic = icebox.iceconfig()
ic.setup_empty_384()
test_netname_translation(ic)
ic = icebox.iceconfig()
ic.setup_empty_1k()
test_netname_translation(ic)
ic = icebox.iceconfig()
ic.setup_empty_8k()
test_netname_translation(ic)
if __name__ == '__main__':
main()
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